INCOME TAXES (Additional Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Effective income tax rate	557.50%	59.80%	173.50%
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax effects	$ 16,918	$ 7	$ 573
Undistributed earnings of foreign subsidiaries	238,500
Valuation allowance	55,189	30,916
Valuation allowance, foreign tax credits	25,000	18,700
Valuation allowance, federal net operating loss carryforwards	1,500
Valuation allowance, state net operating loss carryforwards	5,000	4,100
Valuation allowance, foreign net operating loss carryforwards	18,000	6,800
Valuation allowance, deferred tax assets of Canadian subsidiary	5,700	1,300
Unrecognized tax benefits that would impact effective tax rate	1,700	2,100	2,500
Unrecognized tax benefits, income tax penalties and interest accrued	300	400	400
Unrecognized tax benefits, penalties and interest	100	100	300
Reduction in unrecognized tax benefit from the expiration of statue of limitations and the resolution of tax audits	300
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax effects	$ 16,761	$ 0	$ 0